X11 forwarding依赖xorg-x11-xauth软件包，需要先安装xorg-x11-xauth软件包。
1. 使用Xshell执行下面代码
yum install xorg-x11-xauth -y
2. 重新连接测试，OK
- WARNINGThe forwarding rejected request remotewarningthe forwarding rejected request forwarding ssh x11 rejected master non-fast-forward rejected错误 warningthe reject rejected establishment connections servertoo rejected callback rejected positive屏幕 master rejected fetch first rejected contains updates because